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प्रश्न
Classify the following as elements and compounds.
Water, Common salt, Sugar, Carbon dioxide, Iodine and Lithium
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उत्तर
| Water | Compounds |
| Common salt | Compounds |
| Sugar | Compounds |
| Carbon dioxide | Compounds |
| Iodine | Elements |
| Iodine and Lithium | Elements |
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संबंधित प्रश्न
Classify the following substances into compounds and mixtures:
Fill in the blank
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Tick (√) the correct alternative from the choice given for the following statement.
The most abundant elements in the universe are
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
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Name – two coloured gases (with their colours)
Elements are classified into – Metals – Non-metals – Metalloids – Noble gases. State which of A, B, C, D is a –
1. Metallic element
2. Non-metallic element
3. Metalloid
4. Noble gas.
A: Is non-malleable, non-ductile & a poor conductor of electricity ___________
B: Has lustre, is malleable and ductile & a good conductor of heat ___________
C: Is unreactive and inert and present in traces in the air _________
D: Shows properties of both metals and non-metals ___________
